APA Style

Supriyono, H. (2015). Sistem Komunikasi Marabahaya dan Keselamatan Maritim Global : Global Maritime Distress and Safety System . Yogyakarta: Deepublish.

MLA Style

Supriyono, Hadi. "Sistem Komunikasi Marabahaya dan Keselamatan Maritim Global : Global Maritime Distress and Safety System". Yogyakarta: Deepublish, 2015. Text.